CN108000194B - Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture - Google Patents
Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture Download PDFInfo
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- CN108000194B CN108000194B CN201711484365.6A CN201711484365A CN108000194B CN 108000194 B CN108000194 B CN 108000194B CN 201711484365 A CN201711484365 A CN 201711484365A CN 108000194 B CN108000194 B CN 108000194B
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- processing
- regulating stage
- stage blade
- arcwall face
- jackscrew
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture, the present invention relates to blade positioning fixture and the methods for processing blade steam passage, the present invention is that three steam passage post-processing dimensional accuracies of regulating stage blade are poor in the prior art for solution, polishing process is unable to satisfy drawing required precision, it includes clamp body, first locating piece, second locating piece, jackscrew positioning component and jacking block, clamp body is plate body, clamp body is fixedly mounted on the workbench of lathe, first locating piece and jackscrew positioning component are oppositely arranged, first locating piece and jackscrew positioning component is relatively fixed is mounted on the upper surface of clamp body, second locating piece is mounted on the tailstock of lathe, jacking block is mounted on the rotary disk of numerical control five-axle milling machine, step 1: installation；Step 2: positioning；Step 3: roughing；Step 4: semifinishing；Step 5: finishing；Step 6: B-C curved face processing；Step 7: the processing of regulating stage blade steam passage is completed.The present invention is used for blade processing field.
Description
Technical field
The present invention relates to blade positioning fixture and the methods for processing blade steam passage, and in particular to regulating stage blade positioning
Fixture and the method for processing blade steam passage using fixture, belong to blade processing field.
Background technique
Regulating stage blade is assembly for the first-level blade on turbine rotor.Since every regulating stage blade is by three
Steam passage composition, when processing steam passage, since space is smaller so processing difficulties.Previous processing steam passage is by electrical discharge machining
Afterwards, then by pincers worker it polishes, so after processing is completed, accurate to dimension is poor, is unable to satisfy drawing requirement.
Summary of the invention
The present invention is that three steam passage post-processing dimensional accuracies of regulating stage blade are poor in the prior art for solution, buffer
Sequence is unable to satisfy drawing required precision, and then proposes regulating stage blade positioning fixture and utilize fixture processing blade steam passage
Method.
The technical solution adopted by the present invention to solve the above problem is as follows: the present invention includes
It includes clamp body, the first locating piece, the second locating piece, jackscrew positioning component and jacking block, and clamp body is plate body,
Clamp body is fixedly mounted on the workbench of lathe, and the first locating piece and jackscrew positioning component are oppositely arranged, the first locating piece and
Jackscrew positioning component is relatively fixed to be mounted on the upper surface of clamp body, and the second locating piece is mounted on the tailstock of lathe, jacking block
One end be mounted on the rotary disk of numerical control five-axle milling machine, the other end of jacking block is withstood on the blade root of regulating stage blade, governing stage
The upper end face contact of the Ye Dingyu clamp body of blade, the first locating piece are withstood at the leaf top of regulating stage blade aperture surface side, top
Silk positioning component is withstood at the leaf top of regulating stage blade back diametric plane side, and the second locating piece withstands on regulating stage blade aperture surface and back
At the leaf top of diametric plane side.
Step 1: installation: clamp body is mounted on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
There are two type chamber, the machined surfaces of each type chamber the machining allowance of 0.5mm for steam passage；
Step 2: positioning: regulating stage blade handstand is placed on the upper surface of clamp body, jackscrew withstands on regulating stage blade
At the leaf top for carrying on the back diametric plane side, the first locating piece is withstood at the leaf top of regulating stage blade aperture surface side, and the second locating piece is withstood on
At the leaf top of regulating stage blade aperture surface and back diametric plane side；
Step 3: roughing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three vapour of regulating stage blade two sides
Road molded line carries out roughing, A-B arcwall face after processing, C-D arcwall face, each in four cambered surfaces of E-F arcwall face and F-G arcwall face
The machining allowance of arcwall face is 0.3mmm, machined parameters the revolving speed n1, Speed unit r/ of φ 8r4 rose cutter when roughing
The numerical value of min, n1 are 2200, machined parameters the feeding speed f1, speed unit mm/ of φ 8r4 rose cutter when roughing
The numerical value of min, f1 are 150；
Step 4: semifinishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three of regulating stage blade two sides
Steam passage carries out semifinishing, A-B arcwall face after processing, C-D arcwall face, in four cambered surfaces of E-F arcwall face and F-G arcwall face
The machining allowance of each arcwall face is 0.2mmm, φ 8r4 rose cutter machined parameters revolving speed n2 when semifinishing, and Speed unit is
The numerical value of r/min, n2 are 2600, φ 8r4 rose cutter machined parameters feeding speed f2, speed unit mm/ when finishing
The numerical value of min, f2 are 800；
Step 5: finishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three vapour of regulating stage blade two sides
Road molded line is finished, A-B arcwall face after processing, C-D arcwall face, each in four cambered surfaces of E-F arcwall face and F-G arcwall face
Precision is within the scope of 0.05mm after the processing of arcwall face, φ 8r4 rose cutter machined parameters revolving speed n3 when finishing, Speed unit
For r/min, the numerical value of n3 is 2600, φ 8r4 rose cutter machined parameters feeding speed f3, speed unit mm/ when finishing
The numerical value of min, f3 are 800；
Step 6: B-C curved face processing, it is each to regulating stage blade with φ 8r4 lollipop milling cutter by Five-axis numerical control milling machine
The B-C curved face processing of type chamber, precision passes through φ 8r4 stick within the scope of 0.05mm after processing the processing of the B-C cambered surface of rear profile chamber
The numerical value of machined parameters revolving speed n4 when sugared milling cutter is processed, Speed unit r/min, n4 are the processing of 2600, φ 8r4 lollipop milling cutter
When machined parameters feeding speed f4, the numerical value of speed unit mm/min, f4 is 800；
Step 7: the processing of regulating stage blade steam passage is completed.
The beneficial effects of the present invention are:
Due to processing steam passage in the past polished by after electrical discharge machining, then by pincers worker, so after processing is completed, precision compared with
Difference is unable to satisfy drawing requirement.Regulating stage blade now is processed using Five-axis numerical control milling machine, utilizes the Special positioning tool solution of development
Determined clamping, positioning problem；Since steam passage is narrow, cutter is easily damaged blade profile, is processed, is used using substep, subregion
Suitable cutter and machined parameters solves the problems, such as that milling is realized in center depths, ensure that product quality and machining accuracy.
Detailed description of the invention
Fig. 1 is positioning fixture main view of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is regulating stage blade main view.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the top view of Fig. 3.
Fig. 6 is curved face processing schematic diagram of the φ 8r4 rose cutter to regulating stage blade two sides steam passage.
Fig. 7 is φ 8r4 lollipop milling cutter to governing stage blade processing schematic diagram
Specific embodiment
Specific embodiment 1: illustrating present embodiment, the positioning of regulating stage blade described in present embodiment in conjunction with Fig. 1-Fig. 5
Fixture, it includes clamp body 1, the first locating piece 2, the second locating piece 3, jackscrew positioning component 4 and jacking block 5, and clamp body 1 is plate
Body, clamp body 1 are fixedly mounted on the workbench of lathe, and the first locating piece 2 and jackscrew positioning component 4 are oppositely arranged, and first is fixed
On position block 2 and the relatively fixed upper surface for being mounted on clamp body 1 of jackscrew positioning component 4, the second locating piece 3 is mounted on the tail of lathe
On seat, one end of jacking block 5 is mounted on the rotary disk of numerical control five-axle milling machine, and the other end of jacking block 5 withstands on the leaf of regulating stage blade
On root, the upper end face contact of the Ye Dingyu clamp body 1 of regulating stage blade, the first locating piece 2 withstands on regulating stage blade aperture surface one
At the leaf top of side, jackscrew positioning component 4 is withstood at the leaf top of regulating stage blade back diametric plane side, and the second locating piece 3 withstands on adjusting
At the leaf top of grade blade aperture surface and back diametric plane side.
Specific embodiment 2: illustrating present embodiment, the positioning of regulating stage blade described in present embodiment in conjunction with Fig. 1-Fig. 2
Fixture, jackscrew positioning component 4 include jackscrew block and jackscrew, and jackscrew block is fixedly mounted on the upper surface of clamp body 1, jackscrew screw thread
It is mounted on jackscrew block, and jackscrew is withstood at the leaf top of regulating stage blade back diametric plane side, other structures and specific embodiment
One is identical.
Specific embodiment 3: illustrating present embodiment in conjunction with Fig. 1-Fig. 7, regulating stage blade is utilized described in present embodiment
The processing method that positioning fixture processes regulating stage blade steam passage, the method are realized according to the following steps:
Step 1: installation: clamp body 1 is mounted on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
There are two type chamber, the machined surfaces of each type chamber the machining allowance of 0.5mm for a steam passage；
Step 2: positioning: regulating stage blade handstand is placed on the upper surface of clamp body 1, jackscrew withstands on governing stage leaf
Piece is carried on the back at the leaf top of diametric plane side, and the first locating piece 2 is withstood at the leaf top of regulating stage blade aperture surface side, the second locating piece 3
It withstands at the leaf top of regulating stage blade aperture surface and back diametric plane side；
Step 3: roughing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three vapour of regulating stage blade two sides
Road molded line carries out roughing, 10 4 A-B arcwall face 6, C-D arcwall face 8, E-F arcwall face 9 and F-G arcwall face cambered surfaces after processing
In the machining allowance of each arcwall face be 0.3mmm, the machined parameters revolving speed n1 of φ 8r4 rose cutter, Speed unit when roughing
For r/min, the numerical value of n1 is 2200, and the machined parameters feeding speed f1 of φ 8r4 rose cutter, speed unit are when roughing
The numerical value of mm/min, f1 are 150；
Step 4: semifinishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three of regulating stage blade two sides
Steam passage carries out semifinishing, A-B arcwall face 6, C-D arcwall face 8, E-F arcwall face 9 and F-G arcwall face 10 4 after processing
The machining allowance of each arcwall face is 0.2mmm, φ 8r4 rose cutter machined parameters revolving speed n2 when semifinishing, revolving speed in cambered surface
Unit is r/min, and the numerical value of n2 is 2600, φ 8r4 rose cutter machined parameters feeding speed f2 when finishing, and speed unit is
The numerical value of mm/min, f2 are 800；
Step 5: finishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three vapour of regulating stage blade two sides
Road molded line is finished, 10 4 A-B arcwall face 6, C-D arcwall face 8, E-F arcwall face 9 and F-G arcwall face cambered surfaces after processing
In each arcwall face processing after precision within the scope of 0.05mm, φ 8r4 rose cutter machined parameters revolving speed n3 when finishing turns
Fast unit is r/min, and the numerical value of n3 is 2600, φ 8r4 rose cutter machined parameters feeding speed f3 when finishing, speed unit
For mm/min, the numerical value of f3 is 800；
Step 6: B-C cambered surface 7 is processed, each to regulating stage blade with φ 8r4 lollipop milling cutter by Five-axis numerical control milling machine
The B-C cambered surface 7 of type chamber is processed, and precision passes through φ 8r4 stick within the scope of 0.05mm after processing the processing of the B-C cambered surface 7 of rear profile chamber
The numerical value of machined parameters revolving speed n4 when lollipop milling cutter is processed, Speed unit r/min, n4 are that 2600, φ 8r4 lollipop milling cutter adds
The numerical value of working hour machined parameters feeding speed f4, speed unit mm/min, f4 are 800；
Step 7: the processing of regulating stage blade steam passage is completed by step 1 to step 5.
Claims (1)
1. a kind of processing method using regulating stage blade positioning fixture processing blade steam passage, the governing stage leaf used in it
Piece positioning fixture includes clamp body (1), the first locating piece (2), the second locating piece (3), jackscrew positioning component (4) and jacking block (5),
Clamp body (1) is plate body, and clamp body (1) is fixedly mounted on the workbench of lathe, the first locating piece (2) and jackscrew positioning group
Part (4) is oppositely arranged, the first locating piece (2) and the relatively fixed upper surface for being mounted on clamp body (1) of jackscrew positioning component (4)
On, the second locating piece (3) is mounted on the tailstock of lathe, and one end of jacking block (5) is mounted on the rotary disk of numerical control five-axle milling machine,
The other end of jacking block (5) is withstood on the blade root of regulating stage blade, and the upper surface of the Ye Dingyu clamp body (1) of regulating stage blade connects
Touching, the first locating piece (2) are withstood at the leaf top of regulating stage blade aperture surface side, and jackscrew positioning component (4) withstands on governing stage leaf
Piece is carried on the back at the leaf top of diametric plane side, and the second locating piece (3) is withstood at the leaf top of regulating stage blade aperture surface and back diametric plane side；
The jackscrew positioning component (4) includes jackscrew block and jackscrew, and jackscrew block is fixedly mounted on the upper surface of clamp body (1),
Jackscrew is threadably mounted on jackscrew block, and jackscrew is withstood at the leaf top of regulating stage blade back diametric plane side；
It is characterized by: the method is realized according to the following steps:
Step 1: installation: clamp body (1) is mounted on the workbench of Five-axis numerical control milling machine, regulating stage blade three before processing
There are two type chamber, the machined surfaces of each type chamber the machining allowance of 0.5mm for steam passage；
Step 2: positioning: regulating stage blade handstand is placed on the upper surface of clamp body (1), jackscrew withstands on regulating stage blade
At the leaf top for carrying on the back diametric plane side, the first locating piece (2) is withstood at the leaf top of regulating stage blade aperture surface side, the second locating piece
(3) it withstands at the leaf top of regulating stage blade aperture surface and back diametric plane side；
Step 3: roughing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three steam passage types of regulating stage blade two sides
Line carries out roughing, A-B arcwall face (6), C-D arcwall face (8), E-F arcwall face (9) and F-G arcwall face (10) four after processing
The machining allowance of each arcwall face is 0.3mmm in cambered surface, the machined parameters revolving speed n1 of φ 8r4 rose cutter, revolving speed when roughing
Unit is r/min, and the numerical value of n1 is 2200, the machined parameters feeding speed f1 of φ 8r4 rose cutter, speed unit when roughing
For mm/min, the numerical value of f1 is 150；
Step 4: semifinishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three steam passages of regulating stage blade two sides
Molded line carries out semifinishing, A-B arcwall face (6), C-D arcwall face (8), E-F arcwall face (9) and F-G arcwall face (10) after processing
The machining allowance of each arcwall face is 0.2mmm, φ 8r4 rose cutter machined parameters revolving speed n2 when semifinishing in four cambered surfaces,
Speed unit is r/min, and the numerical value of n2 is 2600, φ 8r4 rose cutter machined parameters feeding speed f2 when finishing, speed list
Position is mm/min, and the numerical value of f2 is 800；
Step 5: finishing: by Five-axis numerical control milling machine with φ 8r4 rose cutter to three steam passage types of regulating stage blade two sides
Line is finished, A-B arcwall face (6), C-D arcwall face (8), E-F arcwall face (9) and F-G arcwall face (10) four after processing
Precision is within the scope of 0.05mm after the processing of each arcwall face in cambered surface, φ 8r4 rose cutter machined parameters revolving speed when finishing
The numerical value of n3, Speed unit r/min, n3 are 2600, φ 8r4 rose cutter machined parameters feeding speed f3 when finishing, speed
Degree unit is mm/min, and the numerical value of f3 is 800；
Step 6: B-C cambered surface (7) processing, by Five-axis numerical control milling machine with φ 8r4 lollipop milling cutter to each type of regulating stage blade
The B-C cambered surface (7) of chamber is processed, and precision passes through φ 8r4 within the scope of 0.05mm after processing the processing of the B-C cambered surface (7) of rear profile chamber
The numerical value of machined parameters revolving speed n4 when lollipop milling cutter is processed, Speed unit r/min, n4 are 2600, φ 8r4 lollipop milling cutter
The numerical value of machined parameters feeding speed f4 when processing, speed unit mm/min, f4 are 800；
Step 7: the processing of regulating stage blade steam passage is completed by step 1 to step 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484365.6A CN108000194B (en) | 2017-12-29 | 2017-12-29 | Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711484365.6A CN108000194B (en) | 2017-12-29 | 2017-12-29 | Regulating stage blade positioning fixture and the method for processing blade steam passage using fixture |
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| Publication Number | Publication Date |
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| CN108000194A CN108000194A (en) | 2018-05-08 |
| CN108000194B true CN108000194B (en) | 2019-05-24 |
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Families Citing this family (1)
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| CN109664080A (en) * | 2019-02-22 | 2019-04-23 | 绵阳市瑞丰机电制造有限公司 | A kind of processing method of blade triplet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| CN202934367U (en) * | 2012-11-30 | 2013-05-15 | 无锡透平叶片有限公司 | Rotary milling clamp structure of tenon tooth blade root blade |
| CN103143945A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨汽轮机厂有限责任公司 | Driven device for four-axis coordinated machine tool in processing blade steam passage profile |
| EP3205451A1 (en) * | 2016-02-12 | 2017-08-16 | Siemens Aktiengesellschaft | Turbine blade torsional clamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8931771B2 (en) * | 2010-06-30 | 2015-01-13 | Honda Motor Co., Ltd. | Device for removing clamping block made of resin and device for clamping clamping block made of resin |
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2017
- 2017-12-29 CN CN201711484365.6A patent/CN108000194B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134903A1 (en) * | 2010-04-26 | 2011-11-03 | Hamuel Maschinenbau Gmbh & Co. Kg | Turbine blade blank and method and device for machining a turbine blade blank |
| CN202934367U (en) * | 2012-11-30 | 2013-05-15 | 无锡透平叶片有限公司 | Rotary milling clamp structure of tenon tooth blade root blade |
| CN103143945A (en) * | 2013-02-07 | 2013-06-12 | 哈尔滨汽轮机厂有限责任公司 | Driven device for four-axis coordinated machine tool in processing blade steam passage profile |
| EP3205451A1 (en) * | 2016-02-12 | 2017-08-16 | Siemens Aktiengesellschaft | Turbine blade torsional clamp |
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| CN108000194A (en) | 2018-05-08 |
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Effective date of registration: 20221221 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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